Add 30/12 and 40/30
1st number: 2 6/12, 2nd number: 1 10/30
30/12 + 40/30 is 23/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
40/30 = 40 × 2/30 × 2 = 80/60 - Add the two like fractions:
150/60 + 80/60 = 150 + 80/60 = 230/60 - 230/60 simplified gives 23/6
- So, 30/12 + 40/30 = 23/6
In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+40/30 30/12+80/30 30/24+40/30 30/12+40/60 90/12+40/30 30/36+40/30 30/12+40/90 30/60+40/30 30/84+40/30